Panasonic PT-47WX33G, Service Manual

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17. Electronic Adjustments
17.1. NTSC Horizontal phase adjustment (H POS)
This adjustment is intended to correct the horizontal position of the picture
NOTE:
1080i, 480p, 480i pattern can be obtained from Panasonic’s TU-DST51 set-top box DTV decoder.
1. Apply a NTSC pattern that lets adjust the image to correct vertical size
(see above note).
2. Set VIDEO “C_OFF” DAC from 00 to 01 (to project only green).
3. Set DAC MUTE from 00 to 01 (disabling digital convergence).
4. Turn green deflection yoke until line is perfectly horizontal.
5. Adjust “H POS” DAC data so that pattern is in the center of screen
6. Enable digital convergence by changing DAC MUTE from 01 to 00.
7. Set VIDEO “C_OFF” DAC from 01 to 00
17.2. HD 1080i Horizontal phase adjustment (H POS)
This adjustment is intended to correct the horizontal position of the picture for HD 1080i mode.
NOTE:
1080i, 480p, 480i pattern can be obtained from Panasonic’s TU-DST51 set-top box DTV decoder.
1. Apply a HD 1080i pattern (see above note).
2. Repeat NTSC horizontal phase adjustment from step 2
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